﻿<p><em>IfcBenchmarkEnum</em> is an enumeration used to identify the logical comparators that can be applied in conjunction with constraint values.</p> 

<blockquote class="history">
HISTORY&nbsp; New enumeration in IFC2.0
</blockquote> 
	 
<blockquote class="change-ifc2x4"> 
IFC4 CHANGE&nbsp; Extended to include comparators for item-set and set-item comparisons: INCLUDES, NOTINCLUDES, INCLUDEDIN and NOTINCLUDEDIN, to test if an individual item is a member of a given aggregation, or if an aggregation has a given individual item as a member.
</blockquote>